यदि किसी व्यक्ति की रूधिर वाहिकाओं की त्रिज्या कम हो जाए , तो उसका रक्त दाब . . . - If the radius of a person's blood vessels is reduced, then his blood pressure. , , - Yadi Kisi Vyakti Ki Rudhir wahikaon Ki Trijya Kam Ho Jaye , To Uska Rakt Daab . . . General Science in hindi, Biology Ghatega question answers in hindi pdf Utna Hee Rahega questions in hindi, Know About Badhega General Science online test General Science notes in hindi quiz book Purooshon Me Badhega Aur Mahilaon Me Ghatega